MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b556486b755edeaf1d0db1901be72b28993c44bcf80ef5e0459500b7ecd2014. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b556486b755edeaf1d0db1901be72b28993c44bcf80ef5e0459500b7ecd2014
SHA3-384 hash: fe5e429c4be904e08b39f829283a96c049e7a0bb00fd8e4f574c0a69b84c0a93ee3960c6e54441f563a47d1fb6e24808
SHA1 hash: 9237b9e96c32cee7a30448d46761b8663c5d8caa
MD5 hash: eab870030d6c210981b716393c97fc21
humanhash: jersey-nineteen-johnny-maine
File name:Invoice or Scan copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:326'527 bytes
First seen:2022-02-24 08:27:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:TxDBXr2JZQCW0s/nTGoXEgQX5PxLvhgpy0hFkrCTxOYD8PuRxGzOvpa:372WTbEjX5IjTLRRx/a
TLSH T10064121A75E2AC93D2036BF592BB17E7C7A592481AD1733F07814FFEBA21507244E281
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/244140/
Detection(s):
Sanesecurity.Rogue.0hr.20220224-0905.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6217419ea6f52d32f17efcf1/reports/b9e8488e-21ef-4e16-ab59-f6a3fb49ec69/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8f9a0a8c-97c2-4b12-ad94-b95c0a83365e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/945479
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 577955 Sample: Invoice or Scan copy.exe Startdate: 24/02/2022 Architecture: WINDOWS Score: 100 34 www.cooleshow.online 2->34 36 www.chauffeureddriven.com 2->36 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 6 other signatures 2->58 12 Invoice or Scan copy.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\owtporcmg.exe, PE32 12->32 dropped 15 owtporcmg.exe 12->15         started        process6 signatures7 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 74 Injects a PE file into a foreign processes 15->74 18 owtporcmg.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 18->21 injected process10 dnsIp11 38 ruleship.com 192.185.16.46, 49757, 80 UNIFIEDLAYER-AS-1US United States 21->38 40 wildgraceyogahealing.com 192.124.249.10, 49769, 80 SUCURI-SECUS United States 21->40 42 8 other IPs or domains 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 62 Uses netstat to query active network connections and open ports 21->62 25 NETSTAT.EXE 21->25         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b556486b755edeaf1d0db1901be72b28993c44bcf80ef5e0459500b7ecd2014/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-24 08:28:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnkwjbvxkxw6v4oq3mmqdptswkezhrclz6ao6xqelfiaw7wneaka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Link:
https://tria.ge/reports/220224-kc1v5acdc3/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
c65a6af5fa8719686bd9fb55055ee825ec87b5e4adf7e58baa5676b45600ea7e
MD5 hash:
152b5fcf2580b07523200858789d1abc
SHA1 hash:
db90e619c454ed44bc97bd0e057d572e82c67cf7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c2f761c2-d621-4b30-a8d1-c92f630c4982/
Parent samples :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 hash:
3490ca138d5cc7c6d010fef5b6dcdcf29e02d7d580e890dc08623729f248f16a
MD5 hash:
194e4b659a82219fc5884c5663d12f41
SHA1 hash:
87ccaa4c592a24b29d5f2283f1cfdba2d27f095d
Link:
https://www.unpac.me/results/c2f761c2-d621-4b30-a8d1-c92f630c4982/
SH256 hash:
3b556486b755edeaf1d0db1901be72b28993c44bcf80ef5e0459500b7ecd2014
MD5 hash:
eab870030d6c210981b716393c97fc21
SHA1 hash:
9237b9e96c32cee7a30448d46761b8663c5d8caa
Link:
https://www.unpac.me/results/c2f761c2-d621-4b30-a8d1-c92f630c4982/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3b556486b755/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/3b556486b755edeaf1d0db1901be72b28993c44bcf80ef5e0459500b7ecd2014

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 3b556486b755edeaf1d0db1901be72b28993c44bcf80ef5e0459500b7ecd2014

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/244140/

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